lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/5as7QRT8"] [Date "2025.03.06"] [Round "-"] [White "toma123"] [Black "Kursk"] [Result "0-1"] [UTCDate "2025.03.06"] [UTCTime "17:21:36"] [WhiteElo "1337"] [BlackElo "2111"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } c5?! { (-0.02 → 0.52) Inaccuracy. Best move was d5. } (1... d5 2. d4 Nf6 3. c4 e6 4. Nf3 Be7 5. cxd5 exd5 6. Bd3) 2. Bb5? { (0.52 → -0.51) Mistake. Best move was c4. } (2. c4 e6 3. d4 d5 4. Nf3 Nf6 5. Nc3 Nc6 6. Be2 cxd4 7. exd4 dxc4 8. O-O Be7) 2... Nf6?! { (-0.51 → 0.00) Inaccuracy. Best move was a6. } (2... a6 3. Be2) 3. Nf3 a6 4. Bc4? { (0.08 → -1.12) Mistake. Best move was Be2. } (4. Be2) 4... d5 5. Bd3? { (-0.58 → -1.92) Mistake. Best move was Be2. } (5. Be2 Nc6) 5... Qc7? { (-1.92 → -0.80) Mistake. Best move was Nc6. } (5... Nc6 6. Be2) 6. Ng5? { (-0.80 → -2.90) Mistake. Best move was c4. } (6. c4 d4) 6... h6 7. Nh3 e5?! { (-2.69 → -1.93) Inaccuracy. Best move was Nc6. } (7... Nc6 8. c4) 8. g3?? { (-1.93 → -6.93) Blunder. Best move was c4. } (8. c4) 8... Bxh3 9. Bf5?? { (-6.62 → -10.88) Blunder. Best move was Bf1. } (9. Bf1 Bg4 10. Be2 h5 11. d3 Nc6 12. b3 Bh3 13. Bf1 Be6 14. Be2 h4 15. g4 Rd8) 9... Bxf5 10. Nc3 Nc6 11. Nb5 axb5 12. O-O h5 13. h4 Be4 14. f4 exf4 15. gxf4 Qd7 16. d3 Bg6 17. e4 dxe4 18. dxe4 Qh3 19. Rf2?! { (-16.80 → Mate in 10) Checkmate is now unavoidable. Best move was f5. } (19. f5 Qg3+ 20. Kh1 Qxh4+ 21. Kg1 Qg3+ 22. Kh1 Bh7 23. Qd3 Qh4+ 24. Kg2 Qxe4+ 25. Qxe4+ Nxe4) 19... Bxe4 20. Qe2 Qh1# { Black wins by checkmate. } 0-1